Discrete Mathematics & Theoretical Computer Science
Volume 4 n° 2 (2001), pp. 173-178
author: | Michel Habib, Christophe Paul and Laurent Viennot |
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title: | Linear time recognition of P_{4}-indifference graphs |
keywords: | P_{4}-indifference, algorithm, recognition |
abstract: | A graph is a P_{4}-indifference graph if it admits an ordering < on its vertices such that every chordless path with vertices a, b, c, d and edges ab, bc, cd has a<b<c<d or d<c<b<a. We present a linear time recognition for these graphs. |
reference: | Michel Habib, Christophe Paul and Laurent Viennot (2001), Linear time recognition of P_{4}-indifference graphs, Discrete Mathematics and Theoretical Computer Science 4, pp. 173-178 |
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Automatically produced on Sat Sep 8 00:37:21 CEST 2001 by ifalk